code: def get_bessel_funcs(self):
      return self.bessel_funcs
  
file_path: dgl/examples/pytorch/dimenet/modules/spherical_basis_layer.py
imports: import sympy
  import torch
  import torch.nn
  from modules.basis_utils import bessel_basis, real_sph_harm
  from modules.envelope import Envelope
label_desc: Use image node_id 2 for calling the SphericalBasisLayer obj's underlying member method code with example usage: obj.get_bessel_funcs() and returns: self